How severe is CVE-2023-5877?

CVE-2023-5877 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-5877 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5877?

CVE-2023-5877 affects Servit Affiliate-toolkit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5877?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-5877 have an EU (EUVD) identifier?

Yes. CVE-2023-5877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58150.

When was CVE-2023-5877 published?

CVE-2023-5877 was published on 2024-01-01 and last updated on 2026-06-17.

CVE-2023-5877

CVE-2023-5877 is a critical-severity vulnerability in Servit Affiliate-toolkit with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-58150
Weakness: CWE-862
Affected product: Servit Affiliate-toolkit
Published: 2024-01-01
Last modified: 2026-06-17

Description

The affiliate-toolkit WordPress plugin before 3.4.3 lacks authorization and authentication for requests to it's affiliate-toolkit-starter/tools/atkp_imagereceiver.php endpoint, allowing unauthenticated visitors to make requests to arbitrary URL's, including RFC1918 private addresses, leading to a Server Side Request Forgery (SSRF) issue.

Frequently asked questions

What is CVE-2023-5877?: The affiliate-toolkit WordPress plugin before 3.4.3 lacks authorization and authentication for requests to it's affiliate-toolkit-starter/tools/atkp_imagereceiver.php endpoint, allowing unauthenticated visitors to make requests to arbitrary URL's, including RFC1918 private addresses, leading to a Server Side Request Forgery (SSRF) issue.
How severe is CVE-2023-5877?: CVE-2023-5877 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-5877 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5877?: CVE-2023-5877 affects Servit Affiliate-toolkit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5877?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-5877 have an EU (EUVD) identifier?: Yes. CVE-2023-5877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58150.
When was CVE-2023-5877 published?: CVE-2023-5877 was published on 2024-01-01 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/39ed4934-3d91-4924-8acc-25759fef9e81

Affected products (1)

cpe:2.3:a:servit:affiliate-toolkit:*:*:*:*:*:wordpress:*:*

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